MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryMole _ Equivalent ConceptAtomic Theory

The law of multiple proportion is illustrated by

A.Carbon monoxide and carbon dioxide✓ Correct

B.Potassium bromide and potassium chloride

C.Water and heavy water

D.Calcium hydroxide and barium hydroxide

Explanation

When two elements combines to form more than one compound then if the mass of one element is fixed then the ratio of mass of another element will bear a simple whole no. ratio. This is law of multiple proportion which is best explained by option (a) CO 2 CO C 12 12 O 16 32 2 16 1 32 2 Weight of O in CO Weight of O inCO

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